[eric] dashboard: scroll zooms the canvas over any card (Google Maps); click into a card to scroll its content

frontend/src/shared/browserRegistry.ts

@@ -25,6 +25,7 @@ export interface BrowserWebview extends HTMLElement {
   isLoading: () => boolean;
   // Optional: present on real Electron webviews; the iframe fallback lacks it, callers must ?.() it.
   isCurrentlyAudible?: () => boolean;
+  send?: (channel: string, ...args: any[]) => void;
   capturePage: (rect?: { x: number; y: number; width: number; height: number }) => Promise<ElectronNativeImage>;
   executeJavaScript: (code: string) => Promise<any>;
   sendInputEvent: (event: any) => void;